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Use task! for the dedicated media source failure steps

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This commit is contained in:
Anthony Ramine 2017-09-17 19:44:13 +02:00
parent 91c2865e36
commit 30a1d3f617
1 changed files with 28 additions and 34 deletions
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62
components/script/dom/htmlmediaelement.rs
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@ -39,7 +39,6 @@ use script_thread::ScriptThread;
use servo_url::ServoUrl;
use std::cell::Cell;
use std::sync::{Arc, Mutex};
use task::Task;
use task_source::TaskSource;
use time::{self, Timespec, Duration};
@ -461,30 +460,43 @@ impl HTMLMediaElement {
}
}
/// Queues the [dedicated media source failure steps][steps].
///
/// [steps]: https://html.spec.whatwg.org/multipage/#dedicated-media-source-failure-steps
fn queue_dedicated_media_source_failure_steps(&self) {
let this = Trusted::new(self);
let window = window_from_node(self);
// FIXME(nox): Why are errors silenced here?
let _ = window.dom_manipulation_task_source().queue(
box DedicatedMediaSourceFailureTask::new(self), window.upcast());
}
box task!(dedicated_media_source_failure_steps: move || {
let this = this.root();
// https://html.spec.whatwg.org/multipage/#dedicated-media-source-failure-steps
fn dedicated_media_source_failure(&self) {
// Step 1
self.error.set(Some(&*MediaError::new(&*window_from_node(self),
MEDIA_ERR_SRC_NOT_SUPPORTED)));
// Step 1.
this.error.set(Some(&*MediaError::new(
&window_from_node(&*this),
MEDIA_ERR_SRC_NOT_SUPPORTED,
)));
// TODO step 2 (forget resource tracks)
// Step 2.
// FIXME(nox): Forget the media-resource-specific tracks.
// Step 3
self.network_state.set(NetworkState::NoSource);
// Step 3.
this.network_state.set(NetworkState::NoSource);
// TODO step 4 (show poster)
// Step 4.
// FIXME(nox): Set show poster flag to true.
// Step 5
self.upcast::<EventTarget>().fire_event(atom!("error"));
// Step 5.
this.upcast::<EventTarget>().fire_event(atom!("error"));
// TODO step 6 (resolve pending play promises)
// TODO step 7 (delay load event)
// Step 6.
// FIXME(nox): Reject pending play promises.
// Step 7.
// FIXME(nox): Set the delaying-the-load-event flag to false.
}),
window.upcast(),
);
}
// https://html.spec.whatwg.org/multipage/#media-element-load-algorithm
@ -733,24 +745,6 @@ impl MicrotaskRunnable for MediaElementMicrotask {
}
}
struct DedicatedMediaSourceFailureTask {
elem: Trusted<HTMLMediaElement>,
}
impl DedicatedMediaSourceFailureTask {
fn new(elem: &HTMLMediaElement) -> DedicatedMediaSourceFailureTask {
DedicatedMediaSourceFailureTask {
elem: Trusted::new(elem),
}
}
}
impl Task for DedicatedMediaSourceFailureTask {
fn run(self: Box<Self>) {
self.elem.root().dedicated_media_source_failure();
}
}
enum ResourceSelectionMode {
Object,
Attribute(String),